UX Law Cards

UX Law Cards

UX Law Cards

UX Law Cards is a collection of flashcards featuring essential UX laws and psychology principles. Learn how top designers build intuitive, user-friendly experiences — one law at a time.

Daily design wisdom

Today's UX Law

Principle★ Law of the day
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Tesler's Law

Every system has irreducible complexity — someone has to deal with it.

Why it matters

Pushing inherent complexity onto users creates friction the product should absorb.

In practice

Address autofill takes on complexity so the user doesn't type six fields.

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